Triple
T21923364
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dual Subway Contracts |
E541376
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Contract with Brooklyn Rapid Transit Company |
—
|
NE NERFINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Contract with Brooklyn Rapid Transit Company | Statement: [Dual Subway Contracts, hasPart, Contract with Brooklyn Rapid Transit Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Contract with Brooklyn Rapid Transit Company Context triple: [Dual Subway Contracts, hasPart, Contract with Brooklyn Rapid Transit Company]
-
A.
Brooklyn streetcar system
The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
-
B.
Board of Transportation of the City of New York
The Board of Transportation of the City of New York was the municipal agency responsible for planning, building, and operating New York City's early publicly owned subway and transit lines before they were unified under later authorities.
-
C.
Brooklyn streetcar
The Brooklyn streetcar is a preserved historic trolley car from Brooklyn, New York, now operated as part of San Francisco’s vintage streetcar fleet.
-
D.
Coney Island and Brooklyn Railroad
The Coney Island and Brooklyn Railroad was a historic streetcar and rapid transit line in Brooklyn, New York, that played a key role in connecting urban neighborhoods with the Coney Island amusement area in the late 19th and early 20th centuries.
-
E.
Brooklyn Rapid Transit Company
The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Contract with Brooklyn Rapid Transit Company Target entity description: The Contract with Brooklyn Rapid Transit Company was a major early-20th-century agreement that helped establish and expand New York City's rapid transit system as part of the broader Dual Subway Contracts.
-
A.
Brooklyn streetcar system
The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
-
B.
Board of Transportation of the City of New York
The Board of Transportation of the City of New York was the municipal agency responsible for planning, building, and operating New York City's early publicly owned subway and transit lines before they were unified under later authorities.
-
C.
Brooklyn streetcar
The Brooklyn streetcar is a preserved historic trolley car from Brooklyn, New York, now operated as part of San Francisco’s vintage streetcar fleet.
-
D.
Coney Island and Brooklyn Railroad
The Coney Island and Brooklyn Railroad was a historic streetcar and rapid transit line in Brooklyn, New York, that played a key role in connecting urban neighborhoods with the Coney Island amusement area in the late 19th and early 20th centuries.
-
E.
Brooklyn Rapid Transit Company
The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
- F. None of above. chosen
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e0c47d74488190a15119108794a307 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f1233d096c8190af0d7cd21879c91b |
completed | April 28, 2026, 9:14 p.m. |
Created at: April 16, 2026, 7:45 p.m.